Home / 26,630.72-39,908.03-19,555.22

Finding the Fourth Proportional to 26,630.72, 39,908.03 and 19,555.22

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Solution

The fourth proportional to 26,630.72, 39,908.03 and 19,555.22 is: 29,304.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,630.72 : 39,908.03 = 19,555.22 : x
  2. Step 2: Convert to fraction form
    26,630.72/39,908.03 = 19,555.22/x
  3. Step 3: Cross multiply
    26,630.72x = 39,908.03 × 19,555.22
  4. Step 4: Simplify right side
    26,630.72x = 780,410,306.42
  5. Step 5: Solve for x
    x = 780,410,306.42/26,630.72
  6. Step 6: Final answer
    x = 29,304.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.